On 9/3/21 1:28 AM, Gerd Hoffmann via groups.io wrote: > Hi, > >>>> Is this snp-specific? Or could this also be used without snp? >>> This is SNP specific format and cannot be used without SNP. >> I should clarify the statement, the format itself does not contain >> anything SNP specific. However, the CPUID page format is documented in >> the SNP specific spec. > Who populates the page? qemu? sev-snp firmware?
The page is populated by the QEMU and filtered by the SEV-SNP firmware. At the end of SNP launch flow, a CPUID page will be encrypted, and measurement of the page metadata is included in the attestation report so that the guest owner can validate whether the hypervisor used the CPUID page during the launch. thanks -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#80212): https://edk2.groups.io/g/devel/message/80212 Mute This Topic: https://groups.io/mt/85306655/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
